conhc  = 0.389379323d+9
      alphai = 137.03599911d0
      alphas = 0.1176d0
      gf     = 1.16637d-5
      wz     = 2.4952d0
      ww     = 2.124d0
      wh     = 1d-3
      wtp    = 1.551d0
      cf     = 4d0/3

      mh  = 125d0
      mw  = 80.425d0
      mz  = 91.1876d0
      ma  = 0d0
      mv  = 91.1876d0

      rmf1( 1) = 1d-10
      rmf1( 2) = 0.51099892d-3
      rmf1( 3) = 1d-10
      rmf1( 4) = 0.105658369d0
      rmf1( 5) = 1d-10
      rmf1( 6) = 1.77699d0
      rmf1( 7) = 0.066d0
      rmf1( 8) = 0.066d0
      rmf1( 9) = 1.2d0
      rmf1(10) = 0.150d0
      rmf1(11) = 178d0
      rmf1(12) = 4.3d0

      men = rmf1( 1)
      mel = rmf1( 2)
      mup = rmf1( 7)
      mdn = rmf1( 8)
      mmn = rmf1( 3)
      mmo = rmf1( 4)
      mch = rmf1( 9)
      mst = rmf1(10)
      mtn = rmf1( 5)
      mta = rmf1( 6)
      mtp = rmf1(11)
      mbt = rmf1(12)